Straight rod driving type sliding block mechanism and injection mold
A driving type and slider technology, applied in the field of mold manufacturing, can solve problems such as poor cooperative movement effect and complex structure, and achieve the effects of simplifying structure, reducing mold volume and high demoulding efficiency
Pending Publication Date: 2021-12-03
SHENZHEN SILVER BASIS TECH
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Problems solved by technology
[0004] Complex structure, poor coordination effect
Method used
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[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0037] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The invention provides a straight rod driving type sliding block mechanism and an injection mold. The straight rod driving type sliding block mechanism is used for forming an injection molding workpiece with an inverted buckle structure. The straight rod driving type sliding block mechanism comprises a jacking unit, a guide part and a sliding block, the jacking unit comprises a needle plate set, an ejector pin and an ejector rod, the ejector pin and the ejector rod are both connected with the needle plate set, and the ejector pin is used for jacking the injection molding workpiece; the ejector rod is provided with a first driving part; the guiding part is provided with a first guiding slope; a sliding block is slidably connected with the first guiding slope, the sliding block is provided with a second driving part and a forming part used for forming an inverted buckle structure of the injection molding workpiece, the ejector rod is slidably connected with the sliding block, and the first driving part is used for abutting against the second driving part; and the needle plate set is used for driving the ejector pin and the ejector rod to move in the mold opening direction, so that the second driving part is driven by the first driving part to drive the sliding block to slide relative to the first guiding slope while the ejector pin jacks the injection molding workpiece, so that the forming part is pulled out of the inverted buckle structure. The structure is simple and reasonable, injection molding efficiency is high, and forming quality is high.
Description
technical field [0001] The invention relates to the field of mold manufacturing, in particular to a straight rod driven slider mechanism and an injection mold. Background technique [0002] When the injection molded plastic part has an undercut structure such as a hole, a recess or a boss on the outside of the mold opening and closing direction, the plastic part cannot be directly ejected from the mold by an ejector such as an ejector pin. At this time, the mold The slider at the upper molding must be designed as a movable core that can move laterally, so that the lateral molding slider can be pulled out before the plastic part is ejected from the mold, and then the plastic part can be ejected from the mold, otherwise It will not be possible to demould, and the product will be damaged. The whole mechanism that drives the laterally formed parts for lateral parting and core pulling is called the slider core pulling mechanism. [0003] The inventors found that the existing sli...
Claims
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Login to View More IPC IPC(8): B29C45/33B29C45/40
CPCB29C45/332B29C45/401B29C2045/4063
Inventor 高国利黄铁平江余粮段志平吕伟
Owner SHENZHEN SILVER BASIS TECH